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Finding the Fourth Proportional to 317,319.40, 437,897.46 and 174,080.80

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Solution

The fourth proportional to 317,319.40, 437,897.46 and 174,080.80 is: 240,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,319.40 : 437,897.46 = 174,080.80 : x
  2. Step 2: Convert to fraction form
    317,319.40/437,897.46 = 174,080.80/x
  3. Step 3: Cross multiply
    317,319.40x = 437,897.46 × 174,080.80
  4. Step 4: Simplify right side
    317,319.40x = 76,229,540,154.77
  5. Step 5: Solve for x
    x = 76,229,540,154.77/317,319.40
  6. Step 6: Final answer
    x = 240,229.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.